The GPLv3 is important for the battle against software patents. It is also highly vital to the battle for prevalence of Free software. which is why Steve Ballmer (pictured above) looks rather worried.
Sapna Kumar, Duke University Law School Faculty Fellow, discusses the differences between GPL 2 and GPL3 and the threat of software patents to open source projects and developement.
The FSF is not trying to sell anything to you, other than your freedom and rights as a developer and user. ⬆
We find it kind of funny if not ironic that this site, originally an American site, got legal harassment only from Americans and only months after it had moved to the UK